delete pics to save space

history_source/ccf 入门篇/U3/3.4.4.cpp

@@ -0,0 +1,22 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+	int a;
+	while(true)
+	{
+		cout<<"[1]apples"<<endl<<"[2]pears"<<endl<<"[3]oranges"<<endl<<"[4]grapes"<<endl<<"[0]Exit"<<endl;
+		cin>>a;
+		cout<<"price= ";
+		switch(a)
+		{
+			case 1:cout<<3.0;break;
+			case 2:cout<<2.5;break;
+			case 3:cout<<4.2;break;
+			case 4:cout<<10.2;break;
+			case 0:return 0;
+			default:cout<<0;
+		}
+		cout<<endl<<endl;
+	}
+}